Download and install the latest version of Filestar.
Right click on one or more Vtx file(s) on your desktop and select Convert with Filestar.
Type convert to heic in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i photo.vtx -c "convert to heic" (how).
Documents - File Explorer─☐✕
This PC › Documents
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Desktop
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.vtxContract.vtx
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert VTX to HEIC
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Convert the VTX files in my Downloads folder to HEIC”
Or run it yourself:
filestarcli -i photo.vtx -c "convert to heic"
Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.
Can my AI agent convert VTX to HEIC?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.vtx -c "convert to heic" on your computer, so your files stay on it.
A file with .vtx extension is a Microsoft Visio drawing template that is saved to disc in XML file format.
An image file format mainly used in storing cell phone photos and they are saved in the High Efficiency Image Format (HEIF). They store one or more images and the metadata description for each image. Also known as .heif files